forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			85 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- interception_linux.h ------------------------------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // This file is a part of AddressSanitizer, an address sanity checker.
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| //
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| // Windows-specific interception methods.
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| //===----------------------------------------------------------------------===//
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| 
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| #ifdef _WIN32
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| 
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| #if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
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| # error "interception_win.h should be included from interception library only"
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| #endif
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| 
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| #ifndef INTERCEPTION_WIN_H
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| #define INTERCEPTION_WIN_H
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| 
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| namespace __interception {
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| // All the functions in the OverrideFunction() family return true on success,
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| // false on failure (including "couldn't find the function").
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| 
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| // Overrides a function by its address.
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| bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func = 0);
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| 
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| // Overrides a function in a system DLL or DLL CRT by its exported name.
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| bool OverrideFunction(const char *name, uptr new_func, uptr *orig_old_func = 0);
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| 
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| // Windows-only replacement for GetProcAddress. Useful for some sanitizers.
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| uptr InternalGetProcAddress(void *module, const char *func_name);
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| 
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| // Overrides a function only when it is called from a specific DLL. For example,
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| // this is used to override calls to HeapAlloc/HeapFree from ucrtbase without
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| // affecting other third party libraries.
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| bool OverrideImportedFunction(const char *module_to_patch,
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|                               const char *imported_module,
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|                               const char *function_name, uptr new_function,
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|                               uptr *orig_old_func);
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| 
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| #if !SANITIZER_WINDOWS64
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| // Exposed for unittests
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| bool OverrideFunctionWithDetour(
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|     uptr old_func, uptr new_func, uptr *orig_old_func);
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| #endif
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| 
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| // Exposed for unittests
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| bool OverrideFunctionWithRedirectJump(
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|     uptr old_func, uptr new_func, uptr *orig_old_func);
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| bool OverrideFunctionWithHotPatch(
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|     uptr old_func, uptr new_func, uptr *orig_old_func);
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| bool OverrideFunctionWithTrampoline(
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|     uptr old_func, uptr new_func, uptr *orig_old_func);
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| 
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| // Exposed for unittests
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| void TestOnlyReleaseTrampolineRegions();
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| 
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| }  // namespace __interception
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| 
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| #if defined(INTERCEPTION_DYNAMIC_CRT)
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| #define INTERCEPT_FUNCTION_WIN(func)                                           \
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|   ::__interception::OverrideFunction(#func,                                    \
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|                                      (::__interception::uptr)WRAP(func),       \
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|                                      (::__interception::uptr *)&REAL(func))
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| #else
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| #define INTERCEPT_FUNCTION_WIN(func)                                           \
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|   ::__interception::OverrideFunction((::__interception::uptr)func,             \
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|                                      (::__interception::uptr)WRAP(func),       \
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|                                      (::__interception::uptr *)&REAL(func))
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| #endif
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| 
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| #define INTERCEPT_FUNCTION_VER_WIN(func, symver) INTERCEPT_FUNCTION_WIN(func)
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| 
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| #define INTERCEPT_FUNCTION_DLLIMPORT(user_dll, provider_dll, func)       \
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|   ::__interception::OverrideImportedFunction(                            \
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|       user_dll, provider_dll, #func, (::__interception::uptr)WRAP(func), \
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|       (::__interception::uptr *)&REAL(func))
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| 
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| #endif  // INTERCEPTION_WIN_H
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| #endif  // _WIN32
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